20965274670 has 16 divisors (see below), whose sum is σ = 50316659280. Its totient is φ = 5590739904.

The previous prime is 20965274653. The next prime is 20965274699. The reversal of 20965274670 is 7647256902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349421215 + ... + 349421274.

It is an arithmetic number, because the mean of its divisors is an integer number (3144791205).

Almost surely, 2^20965274670 is an apocalyptic number.

20965274670 is an abundant number, since it is smaller than the sum of its proper divisors (29351384610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20965274670 is a wasteful number, since it uses less digits than its factorization.

20965274670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698842499.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 20965274670 in words is "twenty billion, nine hundred sixty-five million, two hundred seventy-four thousand, six hundred seventy".